Question

1) Calculate the 3db beamwidth for a uniformly illuminated circular aperture or diameter (3pts) d-45cm and wavelength of -4cm 2) Calculate the 3db beamwidth for an antenna with tapered illumination with diameter -2cm d-35cm and application wavelength (3pts) Calculate gain of the main lobe of an antenna using the following parameters: (Spts) 3) Wavelength of the radiated energy 3.5cm Effective area of the aperture Scm2

Answer 1

24 cm Cn 2 dz 35 cm, λ22cm 70X2 2 A 3% 22. 2-5)

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